Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ryan Giammanco Markus, DPT

Individual provider Physical Therapist · NPI 1588827349

Ryan Giammanco Markus, DPT is a Physical Therapist in Private Practice in Austell, Georgia. Qualified in 2008, 18 years ago. Practices with Piedmont Orthopedics, LLC, a 192-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
18
Licensed in
GA
In the registry since
2008
What do these letters mean?
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

3672 Marathon Cir Ste 200
Austell, GA 30106-6821
Phone: (770) 944-3303
Fax: (770) 944-0285
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence PT9350 (GA)

Record details

NPI number1588827349
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT
Sole proprietorNo
NPI enumeratedJuly 2, 2008
Last updated in NPPESFebruary 16, 2017
Mailing address900 Circle 75 Pkwy Se, Ste 1700, Atlanta, GA 30339-3087

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Piedmont Orthopedics, Llc — 192 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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